Cal. 1186 (also called FP 11.86, Piguet, F. Piguet, etc) is an automatic rattrapante column wheel chronograph movement produced by Frédéric Piguet. Introduced in 1989, it was the first automatic rattrapante chronograph movement ever produced. It is closely related to Cal. FP 1180, introduced in 1987 as the thinnest column wheel chronograph movement ever produced, and the popular automatic Cal. FP 1185. In 1994, F. Piguet released Cal. 1186 for use by watchmakers other than Blancpain.
Cal. FP 1186 includes many high-end features, including a column wheel, vertical clutch, ball bearing rotor, Triovis micrometer regulator, and Kif Ultraflex anti-shock. The rattrapante function is controlled by a pusher at 10:00. The uni-directional automatic winding runs clockwise.
Note that Omega uses a F. Piguet ebauche for many of their chronograph movements. This is called Cal. FP 1286 and is quite similar to this Cal. 1186 but is thicker, uses a coaxial escapement, and has a 28,800 A/h beat rate. Cal. FP 1286 also switches the 12 hour register and small seconds. The Omega version is known as Cal. 3612.